Copy letter from James Hopwood Jeans, Secretary of the Royal Society; to G. S. Baker Esquire; National Physical Laboratory, Bushy House, Teddington Asks Mr. G. S. Baker to advise him on the enclosed statement and blueprint [not enclosed]. Explains that the senders, Tait and McLeod, mentioned Mr. Baker's name in their covering letter as willing to vouch for their work. Notes that it seems to him that their invention is similar to that used in the war for 'steering fast destroyers'. 7 March 1923